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Test your basic knowledge |
Biomedical Engineering Heart
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 43 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Hormone ANP increases loss of ____in urine to decrease blood volume and blood pressure
bicuspid valve
diastole
sodium ions and water
bradycardia
2. Area in the thoracic cavity between the lungs
60-80
tricuspid valve
mediastinum
atrium
3. Nerves that transmit impulses to decrease the heart rate are the ____
cardiac output
SA node
vagus nerves
closure of the valves
4. Prevents backflow of blood from the left ventricle to the left atrium
closure of the valves
bicuspid valve
stroke volume
epicardium
5. Heart rate below 60 bpm
sodium ions and water
bradycardia
systole
aorta
6. Relaxation of chambers of the heart
systole
cardiac cycle
fibrous epicardium
diastole
7. Very rapid and uncoordinated ventricular beat
ischemia
arrhythmias
mediastinum
fibrullation
8. Funciton of the serous fluid of teh pericardial membranes
supply the heart with oxygenated blood
coronary veins
medial to the lungs and superior to the diaphragm
prevent friction as the heart beats
9. Amount of blood pumped by a ventricle in 1 minute
bicuspid valve
prevent friction as the heart beats
cardiac output
diastole
10. Endocardium lines the chambers of the heart
coronary veins
ECG
vagus nerves
is smooth to prevent abnormal clotting within the heart
11. Visceral pericardium
cardiac reserve
sodium ions and water
closure of the valves
epicardium
12. Sequence of events in one heartbeat
aorta
cardiac cycle
venous return
mediastinum
13. Cardiac muscle tissue
epicardium
SA node
myocardium
coronary veins
14. Largest artery of the body
mediastinum
systole
fibrous epicardium
aorta
15. Vessel into which the left ventricle pumps blood
aorta
sodium ions and water
systole
prevent friction as the heart beats
16. The centers that regulate heart rate located in the___
mediastinum
medulla
ischemia
bundle of His...
17. Changes in blood pressure are detected by
sodium ions and water
vagus nerves
right and left atria
pressoreceptors in teh carotid and aortic sinuses
18. Upper chamber of the heart
fibrous epicardium
right and left atria
atrium
ischemia
19. The amount of blood that returns to teh heart
pressoreceptors in teh carotid and aortic sinuses
ECG
venous return
is smooth to prevent abnormal clotting within the heart
20. Natural pacemaker of the heart
cardiac output
bradycardia
SA node
fibrous epicardium
21. Contraction of chambers of the heart
systole
supply the heart with oxygenated blood
SA node
is smooth to prevent abnormal clotting within the heart
22. Electical activity of the heart may be depicted in an
60-80
ECG
superior and inferior caval veins
pressoreceptors in teh carotid and aortic sinuses
23. Heart is located here
pressoreceptors in teh carotid and aortic sinuses
medial to the lungs and superior to the diaphragm
cardiac output
is smooth to prevent abnormal clotting within the heart
24. 1st branches of teh ascending aorta
pressoreceptors in teh carotid and aortic sinuses
coronary arteries
cardiac reserve
aortic and pulmonary semilunar valves
25. Purpose of teh coronary vessels
supply the heart with oxygenated blood
systole
cardiac reserve
medial to the lungs and superior to the diaphragm
26. First part of the cardia conduction pathway in teh ventircles
closure of the valves
bundle of His...
60-80
pressoreceptors in teh carotid and aortic sinuses
27. Amount of blood pumped by a ventricle per beat
SA node
diastole
aortic and pulmonary semilunar valves
stroke volume
28. Heart chambers are lined with this
endocardium
cardiac cycle
mediastinum
60-80
29. Coronary sinus receives blood directly from this
coronary veins
stroke volume
right and left atria
aorta
30. Normal range of heart rate for a healthy adult is _____ bpm
cardiac output
atrium
60-80
sodium ions and water
31. The chambers of teh heart that receive blood from the veins
ECG
right and left atria
coronary veins
mediastinum
32. Prevents backflow of blood from teh right ventricle to the right atrium
prevent friction as the heart beats
epicardium
tricuspid valve
bradycardia
33. Backflow o fblood from the arteries to the ventricles is prevented by these
aortic and pulmonary semilunar valves
cardiac reserve
closure of the valves
prevent friction as the heart beats
34. Each normal heartbeat is initiated by this
atrium
SA node
medulla
aorta
35. Veins that return blood to the right atrium
superior and inferior caval veins
cardiac reserve
aorta
ECG
36. Contraction
coronary veins
systole
aortic and pulmonary semilunar valves
superior and inferior caval veins
37. Part of the myocardium is deprived of its blood supply and becomes ______
vagus nerves
sodium ions and water
ischemia
coronary arteries
38. Irregular heartbeats
endocardium
mediastinum
arrhythmias
sodium ions and water
39. Difference between resting cardiac output adn maximum exercise cardiac output
cardiac reserve
cardiac output
SA node
superior and inferior caval veins
40. Outermost of the pericardial membranes
SA node
stenosis...
superior and inferior caval veins
fibrous epicardium
41. Relaxation
fibrullation
medial to the lungs and superior to the diaphragm
endocardium
diastole
42. Normal heart sounds are caused by
SA node
closure of the valves
SA node
supply the heart with oxygenated blood
43. Narrowing of a valve
aorta
stenosis...
coronary veins
cardiac cycle